An ambush on a Burkina Faso military convoy escorting fuel tankers from a gold mine near the border with Niger has left six officers dead, officials say.<br />''<br />''Seven people were wounded after what the regional government in eastern Burkina Faso said was an attack by suspected jihadists.<br />''<br />''Two years ago 39 people were killed when a convoy of vehicles from the same mine was targeted. That incident shut down production for almost a year.<br />''<span style="color: #222222;"><br />''Since 2015 attacks in the country by groups linked to the Islamic State group and al-Qaeda have killed more than 1,500 people and forced more than a million people from their homes.</span><br />